minimal .vimrc for neosnippets issue

init.vim

call plug#begin('~/.vim/bundle/')
"snippets
Plug 'Shougo/neosnippet.vim'
Plug 'Shougo/neosnippet-snippets'

filetype plugin indent on " required

call plug#end()

let g:neosnippet#enable_completed_snippet = 1

" Plugin key-mappings.
imap <C-k>     <Plug>(neosnippet_expand_or_jump)
smap <C-k>     <Plug>(neosnippet_expand_or_jump)

" SuperTab like snippets behavior.
imap <expr><TAB> neosnippet#expandable_or_jumpable() ? "\<Plug>(neosnippet_expand_or_jump)" : pumvisible() ? "\<C-n>" : "\<TAB>"
smap <expr><TAB> neosnippet#expandable_or_jumpable() ? "\<Plug>(neosnippet_expand_or_jump)" : "\<TAB>"

" custom snippets
let g:neosnippet#snippets_directory = "~/.neosnippets/snippets"
let g:neosnippet#data_directory = "~/.neosnippets/data"

" Enable snipMate compatibility feature.
let g:neosnippet#enable_snipmate_compatibility = 1